Use them till you lose them. Their good until they dont cut anymore just make sure you have back-ups. The triple thicks will be fine on terrazzo because the aggregate is actually the marble chips and you wont burn them out. The mixture for terrazzo is actually 50-50 although sometimes the dark stones look like they take up alot more than 50%.

On Tue, Aug 30, 2011 at 3:42 PM, Baird Standish <bairdstandish@gmail.com> wrote:
Hi,
I have been going through my diamond inventory and realize that I have quite a lot of diamonds in the 400-800 range that have become pretty thin but still have some edge left (these are for the most part typhoons).  I am wondering how far down folks use thinned out diamonds before they are useless or not optimum for a job. I am about to start a large terrazzo job and would like to get some more use from these, but am a little nervous.  Also, I have quite a lot of triple thick diamonds in 400 and 800 and want to know if they are good for terrazzo.  I have been using the typhoons on concrete polishing jobs recently as recommended by a few sources (3" diamonds on my 9 head klindex planetary).  The triple thicks were not recommended for concrete.  I know that terrazzo has a concrete element to it but probably 80% marble component.  Am I safe to use them on terrazzo?  Am I safe to use them on a 9 head planetary (or maybe the planetary is overkill for a terrazzo job).
Thanks,
ps really wish I could have made it to the cruise but the stars were against me this year.

Baird

--
________________________________________
From the desk of
Baird Standish
Managing Partner
Facility Specialists, LLC
1616 Walnut St.
Philadelphia, PA 19103
Phone: 215-732-7505
Fax: 215-546-9160

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Walter Nartowicz
Mid Atlantic Stone Solutions
www.midatlanticstonesolutions.com
4607 Fayetteville Road
Raleigh, NC 27603
919-772-2155 (Main Office)